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  2. King and pawn versus king endgame - Wikipedia

    en.wikipedia.org/wiki/King_and_pawn_versus_king...

    King and pawn versus king endgame. The chess endgame with a king and a pawn versus a king is one of the most important and fundamental endgames, other than the basic checkmates. [1] It is an important endgame for chess players to master, since most other endgames have the potential of reducing to this type of endgame via exchanges of pieces.

  3. Portable Game Notation - Wikipedia

    en.wikipedia.org/wiki/Portable_Game_Notation

    Portable Game Notation (PGN) is a standard plain text format for recording chess games (both the moves and related data), which can be read by humans and is also supported by most chess software. This article uses algebraic notation to describe chess moves.

  4. Pwn2Own - Wikipedia

    en.wikipedia.org/wiki/Pwn2Own

    On day 1, contestants had to target functionality in the default browser without access to any plugins. On day 2, Adobe Flash, Java, Microsoft .NET Framework, and QuickTime were included. On day 3, other popular third party plugins were included like Adobe Reader. Multiple winners per target were allowed, but only the first contestant to ...

  5. Queen and pawn versus queen endgame - Wikipedia

    en.wikipedia.org/wiki/Queen_and_pawn_versus...

    White to play wins; Black to play draws. The queen and pawn versus queen endgame is a chess endgame in which both sides have a queen and one side has a pawn, which one tries to promote. It is very complicated and difficult to play. Cross-checks are often used as a device to win the game by forcing the exchange of queens.

  6. Portal (series) - Wikipedia

    en.wikipedia.org/wiki/Portal_(series)

    Portal is a series of first-person puzzle-platform video games developed by Valve.Set in the Half-Life universe, the two main games in the series, Portal (2007) and Portal 2 (2011), center on a woman, Chell, forced to undergo a series of tests within the Aperture Science Enrichment Center by a malicious artificial intelligence, GLaDOS, that controls the facility.

  7. Tarrasch rule - Wikipedia

    en.wikipedia.org/wiki/Tarrasch_rule

    The Tarrasch rule is a general principle that applies in the majority of chess middlegames and endgames. Siegbert Tarrasch (1862–1934) stated the "rule" that rooks should be placed behind passed pawns – either the player's or the opponent's. The idea behind the guideline is that (1) if a player's rook is behind his passed pawn, the rook ...

  8. Berolina pawn - Wikipedia

    en.wikipedia.org/wiki/Berolina_pawn

    The Berolina pawn (also known as Berlin pawn, [1] anti-pawn, or simply Berolina) is a popular [2] fairy chess piece based on the pawn. It may move one vacant square diagonally forward, it may move two vacant squares diagonally forward on its first move, and it may capture one square vertically forward. It was invented by Edmund Nebermann in ...

  9. Semi-Open Game - Wikipedia

    en.wikipedia.org/wiki/Semi-Open_Game

    A Semi-Open Game is a chess opening in which White plays 1.e4 and Black breaks symmetry immediately by replying with a move other than 1...e5. The Semi-Open Games are also called Single King Pawn , Asymmetrical King Pawn , or Half-Open Games (or Openings), and are the complement of the Open Games or Double King Pawn Games which begin 1.e4 e5.